Following a decade-long research led by the NASA, memory foam was introduced to the public in the early 1980s. Immediately, it rose in popularity as a material for manufacturing mattresses. So how do memory foam beds let people have a good night sleep? Below is an explanation of the science behind this breakthrough technology.
This foam reacts to body heat and pressure. Made from a high-viscosity and high-density material called visco-elastic polyurethane, this special kind of weight-bearing material is generally firmer in cool temperatures and softer when warm. With its higher density, it readily reacts to body weight and temperature, molding itself into the shape of the warm body. In addition, its heat-retaining property gives added warmth that leads to a cozier sleep.
It relieves pressure over the bony areas of the body. In the initial years after its introduction, hospitals were some of memory foam's first major customers. Beds made from this material provide immense medical benefits to patients who are bed-ridden. Unlike conventional beds, a mattress of this foam allows continuous blood flow even in crucial points of contact such as the shoulder and the pelvis. This results in the elimination of pain, tossing and turning, and stiffness during sleeping time. In addition, memory foam beds distribute body weight evenly, and offer remarkable support for the spine.
It is resistant to mildew and house dust mites. Admittedly, this foam is more expensive than traditional mattresses. However, owners of this special kind of bed need not worry about dust mites and other allergens, most of which find a conducive breeding ground within the thick padding of spring mattresses but shy away from this more unforgiving material.
With these properties, memory foam beds signaled a new era in the mattress industry, and helped millions of people achieve a deep and comfortable slumber.
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